Countermeasures against reception interference caused by ghosts in medium electric field areas!
If you have any questions regarding the introduction below, please feel free to contact us. ◆◇◆Features◆◇◆ Spectrum measurements can be made over a wide bandwidth supporting 50 kHz to 3.3 GHz. Errors due to ghost (reflected wave) interference have been reported in medium field areas around urban centers. Even if the digital broadcast terminal level is between 40 to 50 dB, there may be instances where the tuner cannot receive the signal or block noise occurs. In such cases, it is necessary to implement countermeasures after confirming not only the general BER/MER but also the ripple drop intervals. By setting the span to 10 MHz during measurement and checking the C/N ratio, we can further narrow down the analysis and identify the points of interference based on the spectrum state during reception. Additionally, by using the full span function, it is possible to display the wideband spectrum from 50 kHz to 3.3 GHz on the same screen. This tool is optimal for identifying which frequency bands are experiencing multipath interference or if distortion is occurring due to booster interference.
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basic information
◆◇◆Features◆◇◆ It can perform spectrum measurements in a wide bandwidth supporting 50k?3.3GHz. Errors caused by ghost (reflected wave) interference have been reported in medium field areas around urban centers. Even if the digital broadcast terminal level is 40?50dB, there may be cases where the tuner cannot receive the signal or block noise occurs. In such cases, it is necessary to implement countermeasures after checking the ripple drop intervals in addition to the general confirmation of BER/MER. By setting the span to 10MHz during measurement, we check the C/N ratio and further narrow it down to confirm the points of interference based on the spectrum state during reception. Additionally, by using the full span function, it is possible to display the wideband spectrum from 50k?3.3GHz on the same screen. This is the optimal tool for identifying which frequency bands are experiencing multipath or if distortion is occurring due to booster interference.
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● An independent, domestically produced advanced development company in the high-frequency (RF) field ● One-stop development, manufacturing, sales, and service business for electronic measuring instruments, information and communication devices, and environmental-related equipment ● A worldwide sales network with 18 domestic agents and 19 overseas agents